FNUS74 KMOB 122044
FWSMOB

SPOT FORECAST FOR DESOTO 0863...U.S. FOREST SERVICE
NATIONAL WEATHER SERVICE MOBILE AL
244 PM CST THU FEB 12 2009

FORECAST IS BASED ON IGNITION TIME OF 1500 CST ON FEBRUARY 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...LOW LEVEL HIGH PRESSURE OVER MISSISSIPPI...ALABAMA...
AND TENNESSEE WILL CONTINUE TO SHIFT EAST INTO TONIGHT...WITH A DRY
AIRMASS OVER THE AREA SHIFTING WITH IT. THE HIGH PRESSURE WILL CREATE A
LIGHT BOUNDARY LAYER FLOW...LIMITING DISPERSIONS THROUGH TONIGHT.
SOUTHERLY FLOW WILL BECOME RE-ESTABLISHED OVER THE AREA TONIGHT...
INCREASING MOISTURE LEVELS...WITH SOUTHERN MISSISSIPPI SEEING THE
RETURN EARLIEST. A SYSTEM PASSING OVER THE AREA FRIDAY WILL BRING
INCREASING CHANCES FOR RAIN...ALONG WITH LOW CLOUDS AND FOG THROUGH
THE DAY.

.REST OF TODAY...

TIME (CST)      3 PM   5 PM
SKY (%).........26     26
WEATHER COV.....
WEATHER TYPE....NONE   NONE
TEMP............69     64
RH..............36     50
20 FT WIND DIR..E      SE
20 FT WIND SPD..5      3
MIX HGT (FT)....2000   800
MIX HGT (M).....610    240
TRANSP WIND DIR.E      E
TRANSP WIND SPD.9      6
TRANS SPD (M/S).4      3
DISPERSION......24     6
LVORI...........2      2
CWR.............0      0

.TONIGHT...

TIME (CST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........48     48     48     60     60     60
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............61     52     49     49     48     48
RH..............66     87     97     95     97     99
20 FT WIND DIR..SE     SE     SE     E      NE     NE
20 FT WIND SPD..1      1      1      1      1      1
MIX HGT (FT)....100    100    100    100    200    200
MIX HGT (M).....30     30     30     30     60     60
TRANSP WIND DIR.SE     SE     SE     E      NE     NE
TRANSP WIND SPD.1      1      1      1      1      2
TRANS SPD (M/S).0      0      0      0      0      1
DISPERSION......0      1      1      0      1      1
LVORI...........3      3      5      5      5      5
CWR.............10     10     10     10     10     10

.FRIDAY...

SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT) THEN BECOMING
                    CLOUDY (85-95 PERCENT). RAIN SHOWERS LIKELY IN
                    THE MORNING...THEN RAIN SHOWERS AND ISOLATED
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 69.
MIN HUMIDITY........67 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 8 MPH EARLY
                    IN THE MORNING. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.
MIXING HEIGHT.......200 FT AGL INCREASING TO 2600 FT AGL.
MIXING WINDS........EAST 4 TO 8 MPH SHIFTING TO THE SOUTHEAST 9 TO
                    12 MPH BY AFTERNOON.
DISPERSION INDEX....5 INCREASING TO 22 BY AFTERNOON.
LVORI...............6 DECREASING TO 3.


$$
FORECASTER...MOB FORECASTER
REQUESTED BY...BUZZ WILLIAMS
TYPE OF REQUEST...PRESCRIBED
.TAG 20090212.DESOT.02/MOB